Home / 45,331,243.10-67,996,864.65-38,316,221.90

Finding the Fourth Proportional to 45,331,243.10, 67,996,864.65 and 38,316,221.90

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Solution

The fourth proportional to 45,331,243.10, 67,996,864.65 and 38,316,221.90 is: 57,474,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331,243.10 : 67,996,864.65 = 38,316,221.90 : x
  2. Step 2: Convert to fraction form
    45,331,243.10/67,996,864.65 = 38,316,221.90/x
  3. Step 3: Cross multiply
    45,331,243.10x = 67,996,864.65 × 38,316,221.90
  4. Step 4: Simplify right side
    45,331,243.10x = 2,605,382,954,433,666
  5. Step 5: Solve for x
    x = 2,605,382,954,433,666/45,331,243.10
  6. Step 6: Final answer
    x = 57,474,332.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.